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Video redirection method and system based on remote desktop presentation protocol

A remote desktop and redirection technology, applied in the computer field, can solve the problems of limited protocols for video optimization, affecting the number of instances running on a single server at the same time, and high CPU consumption, so as to improve user experience, increase computing consumption, and reduce data. The effect of bandwidth

Inactive Publication Date: 2016-12-07
东莞市正讯实业投资有限公司
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Throughout the whole process, the decoding of the video code stream and the recompression of data in the remote desktop protocol consume a lot of CPU, which greatly affects the number of instances that can run simultaneously on a single server
[0006] The optimization of existing remote desktop presentation protocols for video is basically limited to the protocol itself

Method used

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  • Video redirection method and system based on remote desktop presentation protocol
  • Video redirection method and system based on remote desktop presentation protocol
  • Video redirection method and system based on remote desktop presentation protocol

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Embodiment Construction

[0037] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0038] Such as figure 2 As shown, the present embodiment provides a video redirection system based on the remote desktop presentation protocol, including a virtual machine server 1, a virtual machine monitor 2 and a thin client 3 connected in sequence, and the virtual machine monitor 2 communicates with the thin client through the remote desktop presentation protocol. The client 3 implements communication.

[0039] Wherein, the virtual machine server 1 includes an input module 11 , a demultiplexing module 12 , a virtual decoder 13 and a virtual device 14 . The input module 11 is us...

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Abstract

The invention relates to a video redirection method and system based on a remote desktop presentation protocol. The method comprises the following steps: acquiring a video file of a media player, performing code-stream separation on the video file, sending a decoding request of a video stream to a thin client, wherein the decoding request is sent to the thin client through a constructed virtual decoder, and the virtual decoder is the agency of the local decoder in the thin client; judging whether receiving a decodable feedback of the thin client or not, if the decodable feedback of the thin client is received, sending the video stream and the playing parameter to the thin client through the remote desktop presentation protocol so as to be displayed after the decoding; if the decodable feedback of the thin client is not received, decoding through the media player. Compared with the prior art, the method disclosed by the invention has the advantages as follows: the bandwidth and computation capacity of the server is effectively reduced, and the user experience of watching the high-definition video is improved.

Description

technical field [0001] The invention belongs to the field of computers, and relates to a video redirection method, in particular to a video redirection method and system based on a remote desktop presentation protocol. Background technique [0002] Existing telepresence protocols, such as Redhat's SPICE protocol, optimize some video. By adopting appropriate compression and decompression algorithms at the SPICE protocol layer, bandwidth requirements are reduced and better user experience is achieved. Currently, for video optimization technologies, some companies also use compression at the protocol layer and decompression on the thin client (software decompression / hardware decompression). Although the above method also has a good user experience, the algorithm of first decompressing and then compressing has a huge CPU overhead on the server. [0003] The data flow of the virtualization-based remote desktop presentation protocol during video playback is as follows: figure 1 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/434H04N21/4402H04N21/643
CPCH04N21/4341H04N21/4348H04N21/4402H04N21/643
Inventor 谈天霆陈亮
Owner 东莞市正讯实业投资有限公司
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